March 2000 QST

75, 50 AND 25 YEARS AGOMarch 1925◊ The cover by ClydeDarr, 8ZZ, announces theissue’s important article,“In this issue—Doingaway with STATIC,” witha red lightning bolt coursingthrough Morse characters.The editorial,“Avoiding Trouble,”again addresses the problemof hams causing interferenceto broadcast listeners,and urges cooperationfrom both sides.“Daylight RadioCommunication Wins!”reports that “20-meterdaylight work surpasses results with longer wavesat night”—exciting news, indeed! The contactswere the result of good engineering and long-termexperimental work, rather than just lucky happenstance.Part II of “The McCaa Anti-StaticDevices, by S. Kruse, presents construction detailson the device, following last month’s theoreticalpresentation. Herbert Metcalf reports on“The New Magnavox Tube,” which was specificallydesigned to operate efficiently from 20 to600 meters. “New Regulations for TransmittingStations” reviews the new rules that went intoeffect on January 5, 1925, following the ThirdNational Radio Conference. It reports that hamsstill using spark transmitters “…should abandontheir use as early as possible.”A. L. Budlong presents “Notes on ReflexingReceivers,” and discusses the performance ofthose regenerative sets. “6TS and 2MU FirstAcross on 40 Meters” reports the record-settingcontact between Brooklyn and Santa Monica,with a diagram of 2MU’s 50 foot flattop strungbetween masts on two side-by-side apartmentbuildings, a 38 foot downlead, and a double-cagecounterpoise below the flattop. E. F. Andrews andE. A. Beane report on a new rf amplifier, “TheDeresnadyne.” “A Tuned Audio Transformer” isdescribed, with a sharp peak centered on 2 kc, tohelp the CW op. “Learning the Code by Listening”describes “a long-wave tuner for the broadcastlistener.”March 1950◊ Gil’s cover cartoonshows a bedraggled andbewhiskered VQ7AA atthe end of the ARRLInternational DX Contest(see the Februarycover for the “before”view). The editorialpublishes the “A.R.R.L.Comments on AmendedF.C.C. Proposals” thataddressed the proposedrules for the forthcomingAmateur Extra,Novice and Technicianclass licenses.The HQ staff is prominent in QST this month:Don Mix, W1TS, presents a detailed how-to articleon “A Beginner’s Four-Tube superhetReceiver.” George Grammer, W1DF, publishesPart II of “Eliminating TV with Low-Pass Filters.”George Hart, W1NJM, writes about the “SimulatedEmergency Test—1949.” Vern Chambersdoes a review of circuits or “Crystal-ControlledOscillators.” Ed Tilton, W1HDQ, tells about thetransmitter rf section in Part II of “A 2-MeterStation for the Novice.”A photo in “Strays” shows Tex Beneke—wellknowntenor sax player, vocalist, and now leaderof the Glenn Miller Band, who recently passedhis ham exam to become W2CKD. Henry Cross,W1OOP, discusses “Adjusting Antenna Couplingin V.H.F. Receivers” to provide lower noisefigures. A photo in “How’s DX?” shows the neatstation of W2WMV/C9 (featuring all militaryequipment) that made a big noise from Manchuriafor a while on 10 and 20 meters.March 1975◊ The cover shows oneham yakking on a rigwhile a second hampedals a bicycle-drivengenerator furiously toprovide dc power forthe station. An onlookingbeagle is not impressed.The editorial,“Membership OpinionAssessment,” announcesthat memberswill soon receive a fourpagequestionnaire todetermine the membership’s position on theFCC’s restructuring proposals. In “A Messagefrom the President,” Harry Dannals, W2TUK, discussesthe pressure from the Electronic IndustriesAssociation to take part of the amateur 220-MHzband and give it to the Class E Citizens Band service.Edward Meade, K1AGB, discusses “Usingthe Double Balanced Mixer in VHF Converters.”Glen Carlson, W6KVD, tells about “OffsetTuning and Keying Modifications for the HW-101.” Doug DeMaw, W1CER/ZF1ST, and BillMartinek, W8JUY/ZF1WM, tell about their “QRPShakedown—Cayman Style!” Also on the subjectof QRP, Peter Bertini, K1ZJH, brings us Part IIof “A State-of-the-Art QRP Transceiver for 50MHz.” George Steber, WB9LVI, presents Part Iof “SSTV to Fast-Scan Converter.” In the coverarticle, Edward Yadinski, W2DNZ, tellsabout “Emergency Electrical Energy via ManPower.” The beagle has, by this time, fallenasleep.—Al Brogdon, W1ABW1AW SCHEDULEPacific Mtn Cent East Mon Tue Wed Thu Fri6 AM 7 AM 8 AM 9 AM Fast Slow Fast SlowCode Code Code Code7 AM- 8 AM- 9 AM- 10 AM-Visiting Visiting Operator Time1 PM 2 PM 3 PM 4 PM (12 PM - 1 PM Time closed for lunch)1 PM 2 PM 3 PM 4 PM Fast Slow Fast Slow FastCode Code Code Code Code2 PM 3 PM 4 PM 5 PM Code Bulletin3 PM 4 PM 5 PM 6 PM Teleprinter Bulletin4 PM 5 PM 6 PM 7 PM Slow Fast Slow Fast SlowCode Code Code Code Code5 PM 6 PM 7 PM 8 PM Code Bulletin6 PM 7 PM 8 PM 9 PM Teleprinter Bulletin6 45 PM 7 45 PM 8 45 PM 9 45 PM Voice Bulletin7 PM 8 PM 9 PM 10 PM Fast Slow Fast Slow FastCode Code Code Code Code8 PM 9 PM 10 PM 11 PM Code BulletinW1AW’s schedule is at the same local time throughout the year. The scheduleaccording to your local time will change if your local time does not have seasonaladjustments that are made at the same time as North American timechanges between standard time and daylight time. From the first Sunday inApril to the last Sunday in October, UTC = Eastern Time + 4 hours. For the restof the year, UTC = Eastern Time + 5 hours. Morse code transmissions:Frequencies are 1.818, 3.5815, 7.0475, 14.0475, 18.0975, 21.0675, 28.0675and 147.555 MHz.Slow Code = practice sent at 5, 7 1 /2, 10, 13 and 15 wpm.Fast Code = practice sent at 35, 30, 25, 20, 15, 13 and 10 wpm.Code practice text is from the pages of QST. The source is given at the beginningW1AW Scheduleof each practice session and alternate speeds within each session. For example,“Text is from July 1992 QST, pages 9 and 81,” indicates that the plain text is fromthe article on page 9 and mixed number/letter groups are from page 81.Code bulletins are sent at 18 wpm.W1AW qualifying runs are sent on the same frequencies as the Morse codetransmissions. West Coast qualifying runs are transmitted on approximately3.590 MHz by W6OWP, with K6YR as an alternate. At the beginning of eachcode practice session, the schedule for the next qualifying run is presented.Underline one minute of the highest speed you copied, certify that your copywas made without aid, and send it to ARRL for grading. Please include yourname, call sign (if any) and complete mailing address. Send a 9×12-inch SASEfor a certificate, or a business-size SASE for an endorsement. Teleprinter transmissions:Frequencies are 3.625, 7.095, 14.095, 18.1025, 21.095, 28.095 and147.555 MHz.Bulletins are sent at 45.45-baud Baudot and 100-baud AMTOR, FEC Mode B.110-baud ASCII will be sent only as time allows.On Tuesdays and Fridays at 6:30 PM Eastern Time, Keplerian elements formany amateur satellites are sent on the regular teleprinter frequencies. Voice transmissions:Frequencies are 1.855, 3.99, 7.29, 14.29, 18.16, 21.39, 28.59 and147.555 MHz. Miscellanea:On Fridays, UTC, a DX bulletin replaces the regular bulletins.W1AW is open to visitors from 10 AM until noon and from 1 PM until 3:45 PMon Monday through Friday. FCC licensed amateurs may operate the stationduring that time. Be sure to bring your current FCC amateur license or aphotocopy.In a communication emergency, monitor W1AW for special bulletins as follows:voice on the hour, teleprinter at 15 minutes past the hour, and CW on thehalf hour.Headquarters and W1AW are closed on New Year’s Day, President’s Day,Good Friday, Memorial Day, Independence Day, Labor Day, Thanksgivingand the following Friday, and Christmas Day.March 2000 99